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http://www.sciencenews.org/view/issue/id/8384
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In the December 5 Issue:
- TABLE OF CONTENTS
- Climate might be right for a deal: Copenhagen negotiations will take steps toward a climate-stabilizing treaty
- Botanical Whales: Adventures in the Tortugas reveal that seagrass fields need saving too
- Breaking the Speed Limit: Studies examine physiology and technology to better foresee the ultimate edge of human performance
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April 7th, 2007
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A 40,000-year-old partial human skeleton from a Chinese cave intensifies a debate over whether Stone Age people dispersing from Africa interbred with humanlike species that they encountered. (p. 211)
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A technique that encapsulates cells in polymer might one day benefit people who receive pancreas-cell transplants for diabetes. (p. 211)
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Mushrooms in England are starting to pop up earlier and staying around later than they used to, according to 55 years of amateur naturalists' records. (p. 212)
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Attempts to cleanse illicit drugs from one's body by taking large doses of niacin can cause life-threatening reactions. (p. 212)
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The physics of pedestrian flows could help prevent stampedes such as the one that killed hundreds during a pilgrimage to Mecca in 2006. (p. 213)
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For the first time, researchers report drug resistance in type B influenza virus and say the drug-resistant strain may jump from person to person. (p. 213)
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The overall darkening of Mars' surface in recent decades has significantly raised the Red Planet's temperature, a possible cause for the substantial, recent shrinkage of the planet's southern ice cap. (p. 214)
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Radical new forms of photography use computation to transcend the limits of traditional cameras. (p. 216)
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A common imperfection in the structure of the heart may exacerbate obstructive sleep apnea and, in mountaineers, trigger a life-threatening lung condition called high-altitude pulmonary edema. (p. 218)
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A flowering plant found only in Mauritius makes more fruit if dense stands of pandanus trees grow nearby. (p. 221)
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Strong hurricanes aren't as effective at transmitting their energy to the ocean's surface as weak ones are, a counterintuitive finding that may help researchers estimate the size of storm surges. (p. 221)
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A technique that might someday enlist mosquitoes in the fight against malaria has passed an early test. (p. 221)
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The repeated cycles of ground freezing and thawing that occur in many places don't do a surprising poor job of churning the soil. (p. 221)
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Pharmacists and federal scientists have launched a program to discourage consumers from flushing unused prescription drugs down the toilet. (p. 222)
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A new study suggests how prions, the infectious agents that cause such disorders as chronic wasting disease, behave in soil and landfills. (p. 222)
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Small patches that exude licorice extract can speed healing of canker sores. (p. 222)
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A vaccine for meningitis and pneumonia also prevents many childhood ear infections and the complications that they cause. (p. 222)
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(p. 223)
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